Magnetic structure and magnon dynamics of the quasi-two-dimensional antiferromagnet FePS 3

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dc.contributor.authorLançon, Den_AU
dc.contributor.authorWalker, HCen_AU
dc.contributor.authorRessouche, Een_AU
dc.contributor.authorOuladdiaf, Ben_AU
dc.contributor.authorRule, KCen_AU
dc.contributor.authorMcIntyre, GJen_AU
dc.contributor.authorHicks, TJen_AU
dc.contributor.authorRønnow, HMen_AU
dc.contributor.authorWildes, ARen_AU
dc.date.accessioned2021-12-17T03:42:03Zen_AU
dc.date.available2021-12-17T03:42:03Zen_AU
dc.date.issued2016-12-07en_AU
dc.date.statistics2021-12-07en_AU
dc.description.abstractNeutron scattering from single crystals has been used to determine the magnetic structure and magnon dynamics of FePS3, an S=2 Ising-like quasi-two-dimensional antiferromagnet with a honeycomb lattice. The magnetic structure has been confirmed to have a magnetic propagation vector of kM=[0112] and the moments are collinear with the normal to the ab planes. The magnon data could be modeled using a Heisenberg Hamiltonian with a single-ion anisotropy. Magnetic interactions up to the third in-plane nearest neighbor needed to be included for a suitable fit. The best fit parameters for the in-plane exchange interactions were J1=1.46, J2=−0.04, and J3=−0.96 meV. The single-ion anisotropy is large, Δ=2.66 meV, explaining the Ising-like behavior of the magnetism in the compound. The interlayer exchange is very small, J′=−0.0073 meV, proving that FePS3 is a very good approximation to a two-dimensional magnet. ©2016 American Physical Societyen_AU
dc.identifier.articlenumber214407en_AU
dc.identifier.citationLançon, D., Walker, H. C., Ressouche, E., Ouladdiaf, B., Rule, K. C., McIntyre, G. J., Hicks, T. J., Rønnow, H. M., & Wildes, A. R. (2016). Magnetic structure and magnon dynamics of the quasi-two-dimensional antiferromagnet FePS 3. Physical Review B, 94(21), 214407. doi:10.1103/PhysRevB.94.214407en_AU
dc.identifier.issn2469-9969en_AU
dc.identifier.issue21en_AU
dc.identifier.journaltitlePhysical Review Ben_AU
dc.identifier.urihttps://doi.org/10.1103/PhysRevB.94.214407en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/12548en_AU
dc.identifier.volume94en_AU
dc.language.isoenen_AU
dc.publisherAmerican Physical Societyen_AU
dc.subjectAntiferromagnetismen_AU
dc.subjectMagnonsen_AU
dc.subjectSpinen_AU
dc.subjectQuasi particlesen_AU
dc.subjectMonocrystalsen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectAnisotropyen_AU
dc.titleMagnetic structure and magnon dynamics of the quasi-two-dimensional antiferromagnet FePS 3en_AU
dc.typeJournal Articleen_AU
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